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Horse profile

Constitution River

Wootton Bassett (GB) × Chuppy (FR) (Le Havre (IRE))

TrainerAidan O'Brien
OwnerCoolmore (M Tabor & D Smith & Mrs J Magnier & Westerberg)

Sex: colt
Foaled: 2023
Colour: bay

Highest OR: 124
Record (GB & IRE): 4 wins from 7 runs (57%)
Prize money (GB & IRE): £784,353 GB · €207,600 IRE
Official rating: 123 (Flat)
Last run (GB & IRE): 12 Sep 2026, Leopardstown (IRE) (3/8)
Last win (GB & IRE): 4 Jul 2026, Sandown

Recent form

2111133

Constitution River: next race and entries

Constitution River is declared to run in the Qatar Racing Champion Stakes at Ascot on Saturday 17 October (16:00).

Qatar Racing Champion Stakes · 17 Oct · 16:00 · Ascot · Ryan Moore · 9-3 Big race

Form

Race record

Date	Course	Pos	SP	Btn	Jockey	Trainer	Race	Class	Type	Dist	Going	Wgt	OR	Winner / 2nd	Winner prize	Days	Future form
12 Sep 26	Leopardstown (IRE)	3/8	11/8F	¾	Ryan Moore	Aidan O'Brien	Royal Bahrain Irish Champion Stakes	Group 1	Flat Turf	1m2f	Good	9-3	123	Hotazhell (GB)	€725,001	24	-
19 Aug 26	York	3/8	7/4	3¾	Ryan Moore	Aidan O'Brien	Juddmonte International Stakes	Group 1	Flat Turf	1m2½f	Good	9-1	124	Item (GB)	£850,650	46	0/4
4 Jul 26	Sandown	1/7	8/11F	won 3	Ryan Moore	Aidan O'Brien	Coral-Eclipse	Group 1	Flat Turf	1m2f	Good to Firm	8-13	119	A Boy Named Susie (IRE)	£560,200	58	1/4
7 May 26	Chester	1/5	2/9F	won 7	Ryan Moore	Aidan O'Brien	Boodles Raindance Dee Stakes (Colts & Geldings)	Listed	Flat Turf	1m2½f	Good	9-2	112	Generic (IRE)	£56,710	257	3/4
23 Aug 25	Curragh (IRE)	1/5	5/6F	won 2	Wayne Lordan	Aidan O'Brien	Coolmore Stud Wootton Bassett Tom Cooper Irish EBF Futurity Stakes	Group 2	Flat Turf	7f	Good	9-5	-	Geryon (IRE)	€70,800	26	0/4
28 Jul 25	Galway (IRE)	1/8	1/5F	won 3¾	Wayne Lordan	Aidan O'Brien	Eventus Irish EBF (C & G) Maiden	Non-handicap (unclassified)	Flat Turf	7f	Yielding	9-5	-	Spangled Sands (IRE)	€11,800	17	0/7
11 Jul 25	Newmarket (July)	2/12	15/2	shd	Ryan Moore	Aidan O'Brien	Weatherbys British EBF Maiden Stakes (Colts & Geldings)	Class 3	Flat Turf	7f	Good to Firm	9-2	-	Distant Storm (GB)	£12,885	-	6/11

3/812 Sep 26 · Leopardstown (IRE)11/8F
Royal Bahrain Irish Champion Stakes
Group 11m2fGood
All fields
Date
12 Sep 26
Course
Leopardstown (IRE)
Pos
3/8
SP
11/8F
Btn
¾
Jockey
Ryan Moore
Trainer
Aidan O'Brien
Race
Royal Bahrain Irish Champion Stakes
Class
Group 1
Type
Flat Turf
Dist
1m2f
Going
Good
Wgt
9-3
OR
123
Winner / 2nd
Hotazhell (GB)
Winner prize
€725,001
Days
24
Future form
-
3/819 Aug 26 · York7/4
Juddmonte International Stakes
Group 11m2½fGood
All fields
Date
19 Aug 26
Course
York
Pos
3/8
SP
7/4
Btn
3¾
Jockey
Ryan Moore
Trainer
Aidan O'Brien
Race
Juddmonte International Stakes
Class
Group 1
Type
Flat Turf
Dist
1m2½f
Going
Good
Wgt
9-1
OR
124
Winner / 2nd
Item (GB)
Winner prize
£850,650
Days
46
Future form
0/4
1/74 Jul 26 · Sandown8/11F
Coral-Eclipse
Group 11m2fGood to Firm
All fields
Date
4 Jul 26
Course
Sandown
Pos
1/7
SP
8/11F
Btn
won 3
Jockey
Ryan Moore
Trainer
Aidan O'Brien
Race
Coral-Eclipse
Class
Group 1
Type
Flat Turf
Dist
1m2f
Going
Good to Firm
Wgt
8-13
OR
119
Winner / 2nd
A Boy Named Susie (IRE)
Winner prize
£560,200
Days
58
Future form
1/4
1/57 May 26 · Chester2/9F
Boodles Raindance Dee Stakes (Colts & Geldings)
Listed1m2½fGood
All fields
Date
7 May 26
Course
Chester
Pos
1/5
SP
2/9F
Btn
won 7
Jockey
Ryan Moore
Trainer
Aidan O'Brien
Race
Boodles Raindance Dee Stakes (Colts & Geldings)
Class
Listed
Type
Flat Turf
Dist
1m2½f
Going
Good
Wgt
9-2
OR
112
Winner / 2nd
Generic (IRE)
Winner prize
£56,710
Days
257
Future form
3/4
1/523 Aug 25 · Curragh (IRE)5/6F
Coolmore Stud Wootton Bassett Tom Cooper Irish EBF Futurity Stakes
Group 27fGood
All fields
Date
23 Aug 25
Course
Curragh (IRE)
Pos
1/5
SP
5/6F
Btn
won 2
Jockey
Wayne Lordan
Trainer
Aidan O'Brien
Race
Coolmore Stud Wootton Bassett Tom Cooper Irish EBF Futurity Stakes
Class
Group 2
Type
Flat Turf
Dist
7f
Going
Good
Wgt
9-5
OR
-
Winner / 2nd
Geryon (IRE)
Winner prize
€70,800
Days
26
Future form
0/4
1/828 Jul 25 · Galway (IRE)1/5F
Eventus Irish EBF (C & G) Maiden
Non-handicap (unclassified)7fYielding
All fields
Date
28 Jul 25
Course
Galway (IRE)
Pos
1/8
SP
1/5F
Btn
won 3¾
Jockey
Wayne Lordan
Trainer
Aidan O'Brien
Race
Eventus Irish EBF (C & G) Maiden
Class
Non-handicap (unclassified)
Type
Flat Turf
Dist
7f
Going
Yielding
Wgt
9-5
OR
-
Winner / 2nd
Spangled Sands (IRE)
Winner prize
€11,800
Days
17
Future form
0/7
2/1211 Jul 25 · Newmarket (July)15/2
Weatherbys British EBF Maiden Stakes (Colts & Geldings)
Class 37fGood to Firm
All fields
Date
11 Jul 25
Course
Newmarket (July)
Pos
2/12
SP
15/2
Btn
shd
Jockey
Ryan Moore
Trainer
Aidan O'Brien
Race
Weatherbys British EBF Maiden Stakes (Colts & Geldings)
Class
Class 3
Type
Flat Turf
Dist
7f
Going
Good to Firm
Wgt
9-2
OR
-
Winner / 2nd
Distant Storm (GB)
Winner prize
£12,885
Days
-
Future form
6/11

Every British and Irish run since 1990, latest first. Btn is the overall distance beaten (lengths). Where the horse won, the runner-up and winning margin are shown.

Future form: next-time-out winners from this horse's races

Date	Course	Race	This horse	Winner next time	Their pos	Won on	At	Race won
4 Jul 26	Sandown	Coral-Eclipse (Group 1)	1/7	A Boy Named Susie (IRE)	2	16 Aug 26	Curragh (IRE)	Newbridge Silverware Royal Whip Stakes (Group 3)
7 May 26	Chester	Boodles Raindance Dee Stakes (Colts & Geldings)	1/5	Generic (IRE)	2	18 Jun 26	Ascot	Hampton Court Stakes
7 May 26	Chester	Boodles Raindance Dee Stakes (Colts & Geldings)	1/5	Golden Story (IRE)	3	23 May 26	Goodwood	British Stallion Studs EBF Cocked Hat Stakes (Colts & Geldings)
7 May 26	Chester	Boodles Raindance Dee Stakes (Colts & Geldings)	1/5	Shayem (IRE)	4	9 Jul 26	Newmarket	Edmondson Hall Solicitors Sir Henry Cecil Stakes (Listed)
11 Jul 25	Newmarket (July)	Weatherbys British EBF Maiden Stakes (Colts & Geldings)	2/12	Billecart (IRE)	4	5 Mar 26	Newcastle (AW)	Always Gamble Responsibly At BetMGM Novice Stakes
11 Jul 25	Newmarket (July)	Weatherbys British EBF Maiden Stakes (Colts & Geldings)	2/12	Oxagon (FR)	5	30 Jul 25	Sandown	Chasemore Farm EBF Novice Stakes
11 Jul 25	Newmarket (July)	Weatherbys British EBF Maiden Stakes (Colts & Geldings)	2/12	Venetian Prince (GB)	6	16 Aug 25	Newbury	Tattersalls £40,000 EBF Novice Stakes
11 Jul 25	Newmarket (July)	Weatherbys British EBF Maiden Stakes (Colts & Geldings)	2/12	Hengroin (IRE)	7	31 Jul 25	Epsom	Sporting Times Sri Lanka EBF Restricted Novice Stakes
11 Jul 25	Newmarket (July)	Weatherbys British EBF Maiden Stakes (Colts & Geldings)	2/12	Oceans Four (GB)	9	5 Aug 25	Ffos Las	South Wales Medical Event Cover EBF Maiden Stakes
11 Jul 25	Newmarket (July)	Weatherbys British EBF Maiden Stakes (Colts & Geldings)	2/12	Sword Maker (IRE)	10	30 Jul 25	Redcar	Racing TV Free Trial British EBF Novice Stakes

1/74 Jul 26 · Sandown
Coral-Eclipse (Group 1)
All fields
Date
4 Jul 26
Course
Sandown
Race
Coral-Eclipse (Group 1)
This horse
1/7
Winner next time
A Boy Named Susie (IRE)
Their pos
2
Won on
16 Aug 26
At
Curragh (IRE)
Race won
Newbridge Silverware Royal Whip Stakes (Group 3)
1/57 May 26 · Chester
Boodles Raindance Dee Stakes (Colts & Geldings)
All fields
Date
7 May 26
Course
Chester
Race
Boodles Raindance Dee Stakes (Colts & Geldings)
This horse
1/5
Winner next time
Generic (IRE)
Their pos
2
Won on
18 Jun 26
At
Ascot
Race won
Hampton Court Stakes
1/57 May 26 · Chester
Boodles Raindance Dee Stakes (Colts & Geldings)
All fields
Date
7 May 26
Course
Chester
Race
Boodles Raindance Dee Stakes (Colts & Geldings)
This horse
1/5
Winner next time
Golden Story (IRE)
Their pos
3
Won on
23 May 26
At
Goodwood
Race won
British Stallion Studs EBF Cocked Hat Stakes (Colts & Geldings)
1/57 May 26 · Chester
Boodles Raindance Dee Stakes (Colts & Geldings)
All fields
Date
7 May 26
Course
Chester
Race
Boodles Raindance Dee Stakes (Colts & Geldings)
This horse
1/5
Winner next time
Shayem (IRE)
Their pos
4
Won on
9 Jul 26
At
Newmarket
Race won
Edmondson Hall Solicitors Sir Henry Cecil Stakes (Listed)
2/1211 Jul 25 · Newmarket (July)
Weatherbys British EBF Maiden Stakes (Colts & Geldings)
All fields
Date
11 Jul 25
Course
Newmarket (July)
Race
Weatherbys British EBF Maiden Stakes (Colts & Geldings)
This horse
2/12
Winner next time
Billecart (IRE)
Their pos
4
Won on
5 Mar 26
At
Newcastle (AW)
Race won
Always Gamble Responsibly At BetMGM Novice Stakes
2/1211 Jul 25 · Newmarket (July)
Weatherbys British EBF Maiden Stakes (Colts & Geldings)
All fields
Date
11 Jul 25
Course
Newmarket (July)
Race
Weatherbys British EBF Maiden Stakes (Colts & Geldings)
This horse
2/12
Winner next time
Oxagon (FR)
Their pos
5
Won on
30 Jul 25
At
Sandown
Race won
Chasemore Farm EBF Novice Stakes
2/1211 Jul 25 · Newmarket (July)
Weatherbys British EBF Maiden Stakes (Colts & Geldings)
All fields
Date
11 Jul 25
Course
Newmarket (July)
Race
Weatherbys British EBF Maiden Stakes (Colts & Geldings)
This horse
2/12
Winner next time
Venetian Prince (GB)
Their pos
6
Won on
16 Aug 25
At
Newbury
Race won
Tattersalls £40,000 EBF Novice Stakes
2/1211 Jul 25 · Newmarket (July)
Weatherbys British EBF Maiden Stakes (Colts & Geldings)
All fields
Date
11 Jul 25
Course
Newmarket (July)
Race
Weatherbys British EBF Maiden Stakes (Colts & Geldings)
This horse
2/12
Winner next time
Hengroin (IRE)
Their pos
7
Won on
31 Jul 25
At
Epsom
Race won
Sporting Times Sri Lanka EBF Restricted Novice Stakes
2/1211 Jul 25 · Newmarket (July)
Weatherbys British EBF Maiden Stakes (Colts & Geldings)
All fields
Date
11 Jul 25
Course
Newmarket (July)
Race
Weatherbys British EBF Maiden Stakes (Colts & Geldings)
This horse
2/12
Winner next time
Oceans Four (GB)
Their pos
9
Won on
5 Aug 25
At
Ffos Las
Race won
South Wales Medical Event Cover EBF Maiden Stakes
2/1211 Jul 25 · Newmarket (July)
Weatherbys British EBF Maiden Stakes (Colts & Geldings)
All fields
Date
11 Jul 25
Course
Newmarket (July)
Race
Weatherbys British EBF Maiden Stakes (Colts & Geldings)
This horse
2/12
Winner next time
Sword Maker (IRE)
Their pos
10
Won on
30 Jul 25
At
Redcar
Race won
Racing TV Free Trial British EBF Novice Stakes

Other runners from this horse's races (latest 20 races with a next-time-out winner, up to 40 rows) that won on their next start in Britain or Ireland. FF on the race record = next-time-out winners / runners that have run again (this horse excluded).

Trainer changes

Trainer	First run	Last run	First run for yard	OR first run	OR last run	Best OR	Runs	Wins	2nd	3rd	Win %	Place %	Prize GB (£)	Prize IRE (€)
Aidan O'Brien	11 Jul 25	12 Sep 26	2/12	112	123	124	7	4	1	2	57.1%	100.0%	£784,353	€207,600

Aidan O'Brien

Trainer: Aidan O'Brien
First run: 11 Jul 25
Last run: 12 Sep 26
First run for yard: 2/12
OR first run: 112
OR last run: 123
Best OR: 124
Runs: 7
Wins: 4
2nd: 1
3rd: 2
Win %: 57.1%
Place %: 100.0%
Prize GB (£): £784,353
Prize IRE (€): €207,600

Trained by one trainer throughout its British and Irish career.

Entries

Upcoming entries and declarations

Draw	OR	Jockey	Status	Date	Time	Course	Race	Class	Dist	Going	Prize	Runners	Wgt
3	123	Ryan Moore	Declared	17 Oct 26	16:00	Ascot	Qatar Racing Champion Stakes	Group 1	1m1f212y	Good	£737,230	6	9-3

Ascot · 2026-10-17

Draw: 3
OR: 123
Jockey: Ryan Moore
Status: Declared
Date: 17 Oct 26
Time: 16:00
Course: Ascot
Race: Qatar Racing Champion Stakes
Class: Group 1
Dist: 1m1f212y
Going: Good
Prize: £737,230
Runners: 6
Wgt: 9-3

Declared runners and forward entries, non-runners excluded.

Stats

Career summary by code (GB & IRE)

Code	Runs	Wins	2nd	3rd	Win %	Place %	Prize GB (£)	Prize IRE (€)	Best OR	First run	Last run
Flat	7	4	1	2	57.1%	100.0%	£784,353	€207,600	124	11 Jul 25	12 Sep 26

Flat

Code: Flat
Runs: 7
Wins: 4
2nd: 1
3rd: 2
Win %: 57.1%
Place %: 100.0%
Prize GB (£): £784,353
Prize IRE (€): €207,600
Best OR: 124
First run: 11 Jul 25
Last run: 12 Sep 26

Placed = 1st in 2-4 runners, 1st-2nd in 5-7, 1st-3rd in 8+.

By race type

Race type	Runs	Wins	2nd	3rd	Win %	Place %	Prize GB (£)	Prize IRE (€)
Flat Turf	7	4	1	2	57.1%	100.0%	£784,353	€207,600

Flat Turf

Race type: Flat Turf
Runs: 7
Wins: 4
2nd: 1
3rd: 2
Win %: 57.1%
Place %: 100.0%
Prize GB (£): £784,353
Prize IRE (€): €207,600

By going

Going	Runs	Wins	2nd	3rd	Win %	Place %	Prize GB (£)	Prize IRE (€)
Good to Firm	2	1	1	0	50.0%	100.0%	£566,243	€0
Good	4	2	0	2	50.0%	100.0%	£218,110	€195,800
Yielding	1	1	0	0	100.0%	100.0%	£0	€11,800

Good to Firm

Going: Good to Firm
Runs: 2
Wins: 1
2nd: 1
3rd: 0
Win %: 50.0%
Place %: 100.0%
Prize GB (£): £566,243
Prize IRE (€): €0

Good

Going: Good
Runs: 4
Wins: 2
2nd: 0
3rd: 2
Win %: 50.0%
Place %: 100.0%
Prize GB (£): £218,110
Prize IRE (€): €195,800

Yielding

Going: Yielding
Runs: 1
Wins: 1
2nd: 0
3rd: 0
Win %: 100.0%
Place %: 100.0%
Prize GB (£): £0
Prize IRE (€): €11,800

By distance

Distance	Runs	Wins	2nd	3rd	Win %	Place %	Prize GB (£)	Prize IRE (€)
7f to 1m	3	2	1	0	66.7%	100.0%	£6,043	€82,600
9f to 11f	4	2	0	2	50.0%	100.0%	£778,310	€125,000

7f to 1m

Distance: 7f to 1m
Runs: 3
Wins: 2
2nd: 1
3rd: 0
Win %: 66.7%
Place %: 100.0%
Prize GB (£): £6,043
Prize IRE (€): €82,600

9f to 11f

Distance: 9f to 11f
Runs: 4
Wins: 2
2nd: 0
3rd: 2
Win %: 50.0%
Place %: 100.0%
Prize GB (£): £778,310
Prize IRE (€): €125,000

Flat bands: 5f-6f, 7f-1m, 9f-11f, 12f-13f, 14f+. NH bands: 2m-2m1f, 2m2f-2m5f, 2m6f-3m1f, 3m2f+.

By course

Course	Runs	Wins	2nd	3rd	Win %	Place %	Prize GB (£)	Prize IRE (€)
Chester	1	1	0	0	100.0%	100.0%	£56,710	€0
Curragh (IRE)	1	1	0	0	100.0%	100.0%	£0	€70,800
Galway (IRE)	1	1	0	0	100.0%	100.0%	£0	€11,800
Sandown	1	1	0	0	100.0%	100.0%	£560,200	€0
Leopardstown (IRE)	1	0	0	1	0.0%	100.0%	£0	€125,000
Newmarket (July)	1	0	1	0	0.0%	100.0%	£6,043	€0
York	1	0	0	1	0.0%	100.0%	£161,400	€0

Chester

Course: Chester
Runs: 1
Wins: 1
2nd: 0
3rd: 0
Win %: 100.0%
Place %: 100.0%
Prize GB (£): £56,710
Prize IRE (€): €0

Curragh (IRE)

Course: Curragh (IRE)
Runs: 1
Wins: 1
2nd: 0
3rd: 0
Win %: 100.0%
Place %: 100.0%
Prize GB (£): £0
Prize IRE (€): €70,800

Galway (IRE)

Course: Galway (IRE)
Runs: 1
Wins: 1
2nd: 0
3rd: 0
Win %: 100.0%
Place %: 100.0%
Prize GB (£): £0
Prize IRE (€): €11,800

Sandown

Course: Sandown
Runs: 1
Wins: 1
2nd: 0
3rd: 0
Win %: 100.0%
Place %: 100.0%
Prize GB (£): £560,200
Prize IRE (€): €0

Leopardstown (IRE)

Course: Leopardstown (IRE)
Runs: 1
Wins: 0
2nd: 0
3rd: 1
Win %: 0.0%
Place %: 100.0%
Prize GB (£): £0
Prize IRE (€): €125,000

Newmarket (July)

Course: Newmarket (July)
Runs: 1
Wins: 0
2nd: 1
3rd: 0
Win %: 0.0%
Place %: 100.0%
Prize GB (£): £6,043
Prize IRE (€): €0

York

Course: York
Runs: 1
Wins: 0
2nd: 0
3rd: 1
Win %: 0.0%
Place %: 100.0%
Prize GB (£): £161,400
Prize IRE (€): €0

By class

Class	Runs	Wins	2nd	3rd	Win %	Place %	Prize GB (£)	Prize IRE (€)
Group 1	3	1	0	2	33.3%	100.0%	£721,600	€125,000
Group 2	1	1	0	0	100.0%	100.0%	£0	€70,800
Listed	1	1	0	0	100.0%	100.0%	£56,710	€0
Class 3	1	0	1	0	0.0%	100.0%	£6,043	€0
Non-handicap (unclassified)	1	1	0	0	100.0%	100.0%	£0	€11,800

Group 1

Class: Group 1
Runs: 3
Wins: 1
2nd: 0
3rd: 2
Win %: 33.3%
Place %: 100.0%
Prize GB (£): £721,600
Prize IRE (€): €125,000

Group 2

Class: Group 2
Runs: 1
Wins: 1
2nd: 0
3rd: 0
Win %: 100.0%
Place %: 100.0%
Prize GB (£): £0
Prize IRE (€): €70,800

Listed

Class: Listed
Runs: 1
Wins: 1
2nd: 0
3rd: 0
Win %: 100.0%
Place %: 100.0%
Prize GB (£): £56,710
Prize IRE (€): €0

Class 3

Class: Class 3
Runs: 1
Wins: 0
2nd: 1
3rd: 0
Win %: 0.0%
Place %: 100.0%
Prize GB (£): £6,043
Prize IRE (€): €0

Non-handicap (unclassified)

Class: Non-handicap (unclassified)
Runs: 1
Wins: 1
2nd: 0
3rd: 0
Win %: 100.0%
Place %: 100.0%
Prize GB (£): £0
Prize IRE (€): €11,800

Pattern (Group/Grade/Listed) shown ahead of class. Irish races carry no class, so they are grouped as handicap or non-handicap.

By field size

Runners	Runs	Wins	2nd	3rd	Win %	Place %	Prize GB (£)	Prize IRE (€)
6 to 8 runners	4	2	0	2	50.0%	100.0%	£721,600	€136,800
2 to 5 runners	2	2	0	0	100.0%	100.0%	£56,710	€70,800
9 to 12 runners	1	0	1	0	0.0%	100.0%	£6,043	€0

6 to 8 runners

Runners: 6 to 8 runners
Runs: 4
Wins: 2
2nd: 0
3rd: 2
Win %: 50.0%
Place %: 100.0%
Prize GB (£): £721,600
Prize IRE (€): €136,800

2 to 5 runners

Runners: 2 to 5 runners
Runs: 2
Wins: 2
2nd: 0
3rd: 0
Win %: 100.0%
Place %: 100.0%
Prize GB (£): £56,710
Prize IRE (€): €70,800

9 to 12 runners

Runners: 9 to 12 runners
Runs: 1
Wins: 0
2nd: 1
3rd: 0
Win %: 0.0%
Place %: 100.0%
Prize GB (£): £6,043
Prize IRE (€): €0

By month

Month	Runs	Wins	2nd	3rd	Win %	Place %	Prize GB (£)	Prize IRE (€)
May	1	1	0	0	100.0%	100.0%	£56,710	€0
July	3	2	1	0	66.7%	100.0%	£566,243	€11,800
August	2	1	0	1	50.0%	100.0%	£161,400	€70,800
September	1	0	0	1	0.0%	100.0%	£0	€125,000

May

Month: May
Runs: 1
Wins: 1
2nd: 0
3rd: 0
Win %: 100.0%
Place %: 100.0%
Prize GB (£): £56,710
Prize IRE (€): €0

July

Month: July
Runs: 3
Wins: 2
2nd: 1
3rd: 0
Win %: 66.7%
Place %: 100.0%
Prize GB (£): £566,243
Prize IRE (€): €11,800

August

Month: August
Runs: 2
Wins: 1
2nd: 0
3rd: 1
Win %: 50.0%
Place %: 100.0%
Prize GB (£): £161,400
Prize IRE (€): €70,800

September

Month: September
Runs: 1
Wins: 0
2nd: 0
3rd: 1
Win %: 0.0%
Place %: 100.0%
Prize GB (£): £0
Prize IRE (€): €125,000

By jockey

Jockey	Runs	Wins	2nd	3rd	Win %	Place %	Prize GB (£)	Prize IRE (€)
Ryan Moore	5	2	1	2	40.0%	100.0%	£784,353	€125,000
Wayne Lordan	2	2	0	0	100.0%	100.0%	£0	€82,600

Ryan Moore

Jockey: Ryan Moore
Runs: 5
Wins: 2
2nd: 1
3rd: 2
Win %: 40.0%
Place %: 100.0%
Prize GB (£): £784,353
Prize IRE (€): €125,000

Wayne Lordan

Jockey: Wayne Lordan
Runs: 2
Wins: 2
2nd: 0
3rd: 0
Win %: 100.0%
Place %: 100.0%
Prize GB (£): £0
Prize IRE (€): €82,600

By trainer

Trainer	Runs	Wins	2nd	3rd	Win %	Place %	Prize GB (£)	Prize IRE (€)
Aidan O'Brien	7	4	1	2	57.1%	100.0%	£784,353	€207,600

Aidan O'Brien

Trainer: Aidan O'Brien
Runs: 7
Wins: 4
2nd: 1
3rd: 2
Win %: 57.1%
Place %: 100.0%
Prize GB (£): £784,353
Prize IRE (€): €207,600

By headgear

Headgear	Runs	Wins	2nd	3rd	Win %	Place %	Prize GB (£)	Prize IRE (€)
No headgear	7	4	1	2	57.1%	100.0%	£784,353	€207,600

No headgear

Headgear: No headgear
Runs: 7
Wins: 4
2nd: 1
3rd: 2
Win %: 57.1%
Place %: 100.0%
Prize GB (£): £784,353
Prize IRE (€): €207,600

Headgear codes as declared: b blinkers, v visor, p cheekpieces, t tongue strap, h hood, e/s eyeshield.

By days since last run

Days since last run	Runs	Wins	2nd	3rd	Win %	Place %	Prize GB (£)	Prize IRE (€)
Debut / no previous run	1	0	1	0	0.0%	100.0%	£6,043	€0
15 to 30 days	3	2	0	1	66.7%	100.0%	£0	€207,600
31 to 60 days	2	1	0	1	50.0%	100.0%	£721,600	€0
121 to 365 days	1	1	0	0	100.0%	100.0%	£56,710	€0

Debut / no previous run

Days since last run: Debut / no previous run
Runs: 1
Wins: 0
2nd: 1
3rd: 0
Win %: 0.0%
Place %: 100.0%
Prize GB (£): £6,043
Prize IRE (€): €0

15 to 30 days

Days since last run: 15 to 30 days
Runs: 3
Wins: 2
2nd: 0
3rd: 1
Win %: 66.7%
Place %: 100.0%
Prize GB (£): £0
Prize IRE (€): €207,600

31 to 60 days

Days since last run: 31 to 60 days
Runs: 2
Wins: 1
2nd: 0
3rd: 1
Win %: 50.0%
Place %: 100.0%
Prize GB (£): £721,600
Prize IRE (€): €0

121 to 365 days

Days since last run: 121 to 365 days
Runs: 1
Wins: 1
2nd: 0
3rd: 0
Win %: 100.0%
Place %: 100.0%
Prize GB (£): £56,710
Prize IRE (€): €0

Counted from the previous run in Britain or Ireland; runs abroad are not seen.

Pedigree

Sire branchWootton Bassett (GB)

Parent · 1

SireWootton Bassett (GB)

Grandparents · 2

Sire's sireIffraaj (GB)
Sire's damBalladonia (GB)

Great-grandparents · 4

Sire's sire's sireNot traced
Sire's sire's damNot traced
Sire's dam's sireNot traced
Sire's dam's damNot traced

Dam branchChuppy (FR)

Parent · 1

DamChuppy (FR)

Grandparents · 2

Dam's sireLe Havre (IRE)
Dam's damNot traced

Great-grandparents · 4

Dam's sire's sireNot traced
Dam's sire's damNot traced
Dam's dam's sireNot traced
Dam's dam's damNot traced

Wootton Bassett (GB)

Chuppy (FR)

Iffraaj (GB)

Balladonia (GB)

Le Havre (IRE)

Not traced

Breeding card

HorseConstitution River (FR)

Sexcolt

Foaled2023

SireWootton Bassett (GB)

DamChuppy (FR)

DamsireLe Havre (IRE)

Sire's sireIffraaj (GB)

Sire's damBalladonia (GB)

Dam's produce1 winners from 2 runners

Notable siblingSensational Filly (FR)

Female line

Chuppy (FR) · 1 winners from 2 runners

Sire, dam and damsire

Sire	Dam	Damsire	Breeder	Foaled	Colour	Sex	Sire's avg winning distance	Damsire's avg winning distance
Wootton Bassett (GB)	Chuppy (FR)	Le Havre (IRE)	S A R L Lg Bloodstock	28 Mar 23	bay	colt	Flat 8.4f · NH 2m½f	Flat 8.4f · NH 2m2f

Wootton Bassett (GB)

Sire: Wootton Bassett (GB)
Dam: Chuppy (FR)
Damsire: Le Havre (IRE)
Breeder: S A R L Lg Bloodstock
Foaled: 28 Mar 23
Colour: bay
Sex: colt
Sire's avg winning distance: Flat 8.4f · NH 2m½f
Damsire's avg winning distance: Flat 8.4f · NH 2m2f

Progeny of Wootton Bassett (GB) in this horse's best conditions

Condition	Runs	Wins	Placed	Win %	Place %	This horse runs	This horse wins
All Flat runs	3,077	455	1,014	14.8%	33.0%	7	4
At 9f to 11f	698	89	214	12.8%	30.7%	4	2
On Good going	1,021	163	358	16.0%	35.1%	4	2
At 9f to 11f on Good going	245	32	74	13.1%	30.2%	3	1

All Flat runs

Condition: All Flat runs
Runs: 3,077
Wins: 455
Placed: 1,014
Win %: 14.8%
Place %: 33.0%
This horse runs: 7
This horse wins: 4

At 9f to 11f

Condition: At 9f to 11f
Runs: 698
Wins: 89
Placed: 214
Win %: 12.8%
Place %: 30.7%
This horse runs: 4
This horse wins: 2

On Good going

Condition: On Good going
Runs: 1,021
Wins: 163
Placed: 358
Win %: 16.0%
Place %: 35.1%
This horse runs: 4
This horse wins: 2

At 9f to 11f on Good going

Condition: At 9f to 11f on Good going
Runs: 245
Wins: 32
Placed: 74
Win %: 13.1%
Place %: 30.2%
This horse runs: 3
This horse wins: 1

Best distance band and going band are where this horse has most wins (then places, then runs) in its main code. Sire figures: all British and Irish runs by the sire's progeny since 1990.

Wootton Bassett (GB) × Le Havre (IRE) mares (the cross)

Code	Runners	Winners	Winners %	Black-type winners	Runs	Wins	2nd/3rd	Win %	Prize GB (£)	Prize IRE (€)
Flat	2	1	50.0%	1	16	4	3	25.0%	£784,353	€209,090

Flat

Code: Flat
Runners: 2
Winners: 1
Winners %: 50.0%
Black-type winners: 1
Runs: 16
Wins: 4
2nd/3rd: 3
Win %: 25.0%
Prize GB (£): £784,353
Prize IRE (€): €209,090

Small sample (under 5 runners): read with care. Includes this horse.

Best of the cross

Horse	Runs	Wins	Black-type wins	Best win	Prize GB (£)	Prize IRE (€)
Constitution River (FR)	7	4	3	Group/Grade 1	£784,353	€207,600
Wootton Babble (FR)	9	0	0	-	£0	€1,490

Constitution River (FR)

Horse: Constitution River (FR)
Runs: 7
Wins: 4
Black-type wins: 3
Best win: Group/Grade 1
Prize GB (£): £784,353
Prize IRE (€): €207,600

Wootton Babble (FR)

Horse: Wootton Babble (FR)
Runs: 9
Wins: 0
Black-type wins: 0
Prize GB (£): £0
Prize IRE (€): €1,490

Top 12 by best win level, then wins.

Ratings

Official ratings

Code	Current OR	Highest OR	Lowest OR	Last winning OR	Last win	Rated runs
Flat	123	124	112	119	4 Jul 26	4

Flat

Code: Flat
Current OR: 123
Highest OR: 124
Lowest OR: 112
Last winning OR: 119
Last win: 4 Jul 26
Rated runs: 4

Current OR here is the mark carried on the latest run in each code; the page header uses a newer declared mark where one exists.

Official rating by run

Date	Course	Code	OR	Change	Pos
12 Sep 26	Leopardstown (IRE)	Flat	123	-1	3/8
19 Aug 26	York	Flat	124	5	3/8
4 Jul 26	Sandown	Flat	119	7	1/7
7 May 26	Chester	Flat	112	-	1/5

3/812 Sep 26 · Leopardstown (IRE)
All fields
Date
12 Sep 26
Course
Leopardstown (IRE)
Code
Flat
OR
123
Change
-1
Pos
3/8
3/819 Aug 26 · York
All fields
Date
19 Aug 26
Course
York
Code
Flat
OR
124
Change
5
Pos
3/8
1/74 Jul 26 · Sandown
All fields
Date
4 Jul 26
Course
Sandown
Code
Flat
OR
119
Change
7
Pos
1/7
1/57 May 26 · Chester
All fields
Date
7 May 26
Course
Chester
Code
Flat
OR
112
Change
-
Pos
1/5

Current mark v winning marks

Code	Current OR	OR last run	Change	Last winning OR	Last win	v last winning	Highest winning OR	v highest winning	Highest OR	v highest
Flat	123	123	0	119	4 Jul 26	4	119	4	124	-1

Flat

Code: Flat
Current OR: 123
OR last run: 123
Change: 0
Last winning OR: 119
Last win: 4 Jul 26
v last winning: 4
Highest winning OR: 119
v highest winning: 4
Highest OR: 124
v highest: -1

Differences are current OR minus the mark shown (positive = higher now). Current OR in the main code uses a newer declared or published mark where one exists.

Family

Dam summary

Chuppy (FR)

G1 winners: 1
Produce: 1 winners from 2 runners

Full siblings

No other foal by Wootton Bassett (GB) out of Chuppy (FR) has raced in Britain or Ireland.

Half siblings

By Mehmas (IRE)

Sensational Filly (FR)0W · 1R
Sensational Filly (FR)0W · 0R

Female line

1Chuppy (FR)

Notable relatives

Constitution River is the only black-type winner in this female family in Britain or Ireland since 1990.

In brief

How old is Constitution River?

Constitution River (FR) is a 3-year-old bay colt, foaled on 28 March 2023.

Who are the sire and dam of Constitution River?

Constitution River (FR) is by Wootton Bassett (GB) out of Chuppy (FR), a daughter of Le Havre (IRE), and was bred by S A R L Lg Bloodstock.

Who trains Constitution River?

Constitution River (FR) is trained by Aidan O'Brien and owned by M Tabor & D Smith & Mrs J Magnier & Westerberg, having previously run for Aidan O'Brien in Britain or Ireland.

What is Constitution River's race record?

In Britain and Ireland, Constitution River (FR) has won 4 of 7 races (57%). Runs abroad (for example in France, Dubai or the USA) are not included.

What is Constitution River's biggest win?

Constitution River (FR)'s biggest win in Britain or Ireland came in the Coral-Eclipse (Group 1) at Sandown on 4 July 2026.

Has Constitution River ever been beaten?

Constitution River (FR) has been beaten 3 times in 7 runs in Britain and Ireland, the first time on 11 July 2025 at Newmarket (July) (2nd of 12).

What is Constitution River's official rating?

Constitution River (FR) is officially rated 123 on the Flat (career high 124).

When did Constitution River last run?

Constitution River (FR) last ran in Britain or Ireland on 12 September 2026 at Leopardstown (IRE) in the Royal Bahrain Irish Champion Stakes (Group 1), finishing 3rd of 8.

When is Constitution River's next race?

Constitution River (FR) is declared to run in the Qatar Racing Champion Stakes (Group 1) at Ascot on 17 October 2026 (off 16:00).

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Updated 2026-09-12